docs: def cli(env, sortby):
      """List SSH keys."""
  
      mgr = SoftLayer.SshKeyManager(env.client)
      keys = mgr.list_keys()
  
      table = formatting.Table(['id', 'label', 'fingerprint', 'notes'])
      table.sortby = sortby
  
      for key in keys:
          table.add_row([key['id'],
                         key.get('label'),
                         key.get('fingerprint'),
                         key.get('notes', '-')])
  
      env.fout(table)